<template>
  <h2>原姓名：{{ person.name }}</h2>
  <h2>姓名：{{ name }}</h2>
  <h2>年龄：{{ age }}</h2>
  <h2>薪水:{{ salary }}K</h2>
  <h2>REFS薪水:{{ job.j1.salary }}K</h2>
  <button @click="name += '!'">改名</button>
  <button @click="age++">增寿</button>
  <button @click="salary++">加薪</button>
  <button @click="job.j1.salary++">加REFS薪</button>
</template>

<script>
import { reactive, toRef, ref, toRefs } from "vue";
export default {
  name: "Demo",
  beforeCreate() {},

  setup(props, context) {
    let person = reactive({
      name: "张三",
      age: 18,
      job: {
        j1: {
          salary: 20,
        },
      },
    });
    const x= toRefs(person);
    return {
      // name: ref(person.name), //toRef(person, "name"),
      // age: toRef(person, "age"),
      // salary: toRef(person.job.j1, "salary"),
      ...x,
      person,
    };
  },
};
</script>